package com.itheima.controller;

import com.alibaba.dubbo.config.annotation.Reference;
import com.itheima.constant.MessageConstant;
import com.itheima.entity.Result;
import com.itheima.service.MemberService;
import com.itheima.service.ReportService;
import com.itheima.service.SetmealService;
import com.itheima.utils.DateUtils;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import java.util.*;

/**
 * Author chongge
 * Time 2019/10/31 15:42
 * ClassName com.itheima.controller
 */
@RestController
@RequestMapping(value = "/report")
public class ReportController {

    @Reference
    private MemberService memberService;
    @Reference
    private SetmealService setmealService;
    @Reference
    private ReportService reportService;


    /***
     * 获取会员人数折线图
     * @return
     */
    @RequestMapping(value = "/getMemberReport",method = RequestMethod.GET)
    public Result getMemberReport(){

        Map<String,Object> map = new HashMap<>();
        //data: res.data.data.months
        List<String> months = new ArrayList<>();

        Calendar calendar = Calendar.getInstance();

        calendar.add(Calendar.MONTH,-12);
        // data: res.data.data.memberCount

        for (int i=0;i<12;i++){
            calendar.add(Calendar.MONTH,1);
            months.add(new SimpleDateFormat("yyyy-MM").format(calendar.getTime()));
        }
        List<Integer> memberCount = memberService.findMemberCountByMonth(months);

        map.put("months",months);
        map.put("memberCount",memberCount);

        return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS,map);
    }


    /***
     * 获取套餐占比情况
     * @return
     */
    @RequestMapping(value = "/getSetmealReport",method = RequestMethod.GET)
    public Result getSetmealReport(){
        Map<String,Object> map = new HashMap<>();
        List<Map<String,Object>> setmealCount = setmealService.findSetmealCount();
        map.put("setmealCount",setmealCount);
        List<String> setmealNames = new ArrayList<>();
        for (Map<String, Object> m : setmealCount) {
            String name = (String) m.get("name");
            setmealNames.add(name);
        }
        map.put("setmealNames",setmealNames);
        return new Result(true,MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS,map);

    }

    /**
     * 会员数量统计--根据会员数量统计
     * 会员数量折线图
     * @return
     */
    @RequestMapping(value = "/getMemberReportByMonths", method = RequestMethod.POST)
    public Result getMemberReportByMonths(@RequestBody Map map) {
        String startTime = (String) map.get("startTime");
        String endTime = (String) map.get("endTime");

        startTime = startTime.substring(0,startTime.lastIndexOf("-"));
        endTime = endTime.substring(0,endTime.lastIndexOf("-"));

        List<String> months = new ArrayList<>();
        try {
            if (startTime.equals(endTime)) {
                // 年月相同,只查询当前月份
                months.add(startTime);
            } else {
                //1.获取年月时间列表
                months = DateUtils.getMonthBetween(startTime, endTime, "yyyy-MM");
            }

            Map<String, Object> mapMemberReport = new HashMap<>();
            //2.根据年月时间 获取每月底累加会员数量
            List<Integer> memberCount = memberService.findMemberCountByMonth(months);

            mapMemberReport.put("months", months);
            mapMemberReport.put("memberCount",memberCount);
            return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS, mapMemberReport);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_MEMBER_NUMBER_REPORT_FAIL);
        }
    }


    /***
     * 运营数据统计
     * @return
     */
    @RequestMapping(value = "/getBusinessReportData",method = RequestMethod.GET)
    public Result getBusinessReportData(){
        Map<String,Object> result = null;
        try {
            result = reportService.getBusinessReportData();
            return new Result(true,MessageConstant.GET_BUSINESS_REPORT_SUCCESS,result);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false,MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }
    @RequestMapping(value = "/exportBusinessReport")
    public Result exportBusinessReport(HttpServletRequest request, HttpServletResponse response){
        try {
            //远程调用报表服务获取报表数据
            Map<String,Object> result = reportService.getBusinessReportData();

            //取出返回结果数据，准备将报表数据写入到Excel文件中
            String reportDate = (String) result.get("reportDate");
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");
            //获得Excel模板文件绝对路径
            String temlateRealPath =
                    request.getSession().getServletContext().getRealPath("template")+
                            File.separator+"report_template.xlsx";


            //读取模板文件创建Excel表格对象
            XSSFWorkbook workbook = new XSSFWorkbook(new FileInputStream(new File(temlateRealPath)));
            XSSFSheet sheet = workbook.getSheetAt(0);

            XSSFRow row = sheet.getRow(2);
            row.getCell(5).setCellValue(reportDate);//日期

            row = sheet.getRow(4);
            row.getCell(5).setCellValue(todayNewMember);//新增会员数（本日）
            row.getCell(7).setCellValue(totalMember);//总会员数

            row = sheet.getRow(5);
            row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员数
            row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员数

            row = sheet.getRow(7);
            row.getCell(5).setCellValue(todayOrderNumber);//今日预约数
            row.getCell(7).setCellValue(todayVisitsNumber);//今日到诊数

            row = sheet.getRow(8);
            row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
            row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数

            row = sheet.getRow(9);
            row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
            row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数

            int rowNum = 12;
            for(Map map : hotSetmeal){//热门套餐
                String name = (String) map.get("name");
                Long setmeal_count = (Long) map.get("setmeal_count");
                BigDecimal proportion = (BigDecimal) map.get("proportion");
                String remark = (String) map.get("remark");
                row = sheet.getRow(rowNum ++);
                row.getCell(4).setCellValue(name);//套餐名称
                row.getCell(5).setCellValue(setmeal_count);//预约数量
                row.getCell(6).setCellValue(proportion.doubleValue());//占比
                row.getCell(7).setCellValue(remark);//备注
            }

            //通过输出流进行文件下载
            ServletOutputStream out = response.getOutputStream();
            response.setContentType("application/vnd.ms-excel");
            response.setHeader("content-Disposition", "attachment;filename=report.xlsx");
            workbook.write(out);

            out.flush();
            out.close();
            workbook.close();

            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL,null);
        }


    }


    @RequestMapping("/getMemberGenderReport")
    public Result getMemberGenderReport(){

        Map<String,Object> map = new HashMap<>();
        List<Map<String,Object>> list = memberService.getMemberGenderReport();
        List<String> genderNames = new ArrayList<>();
        for (Map<String, Object> m : list) {
            String name = (String) m.get("name");
            if (name.equals("1") ){
                m.put("name","男");
                genderNames.add("男");
            }
            if (name.equals("2")){
                m.put("name","女");
                genderNames.add("女");
            }
        }
        map.put("genderNames",genderNames);
        map.put("genderCount",list);
        return new Result(true,MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS,map);
    }

    @RequestMapping("/getMemberAgeRangeReport")
    public Result getMemberAgeRangeReport(){
        try {
            Map<String,Object> map = new HashMap<>();
            List<Map<String,Object>> list = memberService.getMemberAgeRangeReport();
            List<String> ageRange = new ArrayList<>();
            for (Map<String, Object> m : list) {
                String name = (String) m.get("name");
                ageRange.add(name);
            }
            map.put("ageRange",ageRange);
            map.put("ageRangeCount",list);
            return new Result(true,MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS,map);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false,MessageConstant.GET_MEMBER_NUMBER_REPORT_FAIL);
        }
    }


}
